Comparative chemistry of elaiosomes of three species ofTrillium.

abstract：:Bark beetles (Coleoptera: Curculionidae, Scolytinae) have specialized feeding habits, and commonly colonize only one or a few closely related host genera in their geographical ranges. The red turpentine beetle, Dendroctonus valens LeConte, has a broad geographic distribution in North America and exploits volatile cues...

journal_title：Journal of chemical ecology

authors： Erbilgin N,Mori SR,Sun JH,Stein JD,Owen DR,Merrill LD,Bolaños RC,Raffa KF,Montiel TM,Wood DL,Gillette NE

更新日期：2007-01-01 00:00:00

abstract：:The common brushtail possum (Trichosurus vulpecula) is a generalist herbivore whose diet includes Eucalyptus leaves that are well defended by plant secondary metabolites (PSM) such as the terpene 1,8-cineole (cineole). We accustomed possums to a terpene-free diet, then challenged them with the addition of 2% cineole t...

journal_title：Journal of chemical ecology

authors： McLean S,Brandon S,Boyle RR,Wiggins NL

更新日期：2008-05-01 00:00:00

abstract：:The morphology and chemical content analysis of Hagen's glands of the braconid waspsBiosteres longicaudatus, B. tryoni, andB. arisanus were shown to be useful taxonomic markers.B. longicaudatus glands contain two components tentatively identified as (3aα,5β,6aα)-5-butyltetrahydro-furo[3,2-b]furan-2(3H)-one and a corre...

journal_title：Journal of chemical ecology

authors： Williams HJ,Wong M,Wharton RA,Vinson SB

更新日期：1988-09-01 00:00:00

abstract：:Two components were identified from aeration extracts of the virgin female Madeira mealybug, Phenacoccus madeirensis as trans-(1R,3R)-chrysanthemyl (R)-2-methylbutanoate and (R)-lavandulyl (R)-2-methylbutanoate (with a ratio of 3:1) by a combination of gas chromatography retention time matches, mass spectrometry, and ...

journal_title：Journal of chemical ecology

authors： Ho HY,Su YT,Ko CH,Tsai MY

更新日期：2009-06-01 00:00:00

abstract：:The click beetle species Agriotes acuminatus is distributed in open deciduous forests throughout a large area in Europe. In order to identify its sex pheromone, gland extracts of female beetles were investigated by using GC/MS. Neryl butanoate and 2,6-dimethyl-(Z,E)-2,6-octadien-1,8-diol dihexanoate, in a ratio of app...

journal_title：Journal of chemical ecology

authors： Tolasch T,von Fragstein M,Steidle JL

更新日期：2010-03-01 00:00:00

abstract：:Pharmacophagy of methyl eugenol (ME)--a highly potent male attractant, by Bactrocera papayae results in the hydroxylation of ME to sex pheromonal components, 2-ally-4,5-dimethoxyphenol (DMP) and (E)-coniferyl alcohol (CF). These compounds, which are also male attractants, are then sequestered and stored in the rectal ...

journal_title：Journal of chemical ecology

authors： Hee AK,Tan KH

更新日期：2004-11-01 00:00:00

abstract：:Simple inorganic salts of the ions K(+), NH 4 (+) , Cs(+), NO 3 (-) , and Cl(-) are strongly repellent to infective second-stage larvae of the root knot nematode,Meloidogyne incognita. Some of these salts are known to be beneficial to plant growth. The results suggest a new means of plant protection. ...

journal_title：Journal of chemical ecology

authors： Castro CE,Belser NO,McKinney HE,Thomason IJ

更新日期：1990-04-01 00:00:00

abstract：:Cellulose triacetate was investigated as a chiral stationary phase for preparatively separating the enantiomers of lineatin, frontalin, exo-brevicomin, endo-brevicomin, verbenone, (E)-conophthorin, and grandisol. Tens of milligrams of both enantiomers were efficiently prepared in high percentage enantiomeric excess fr...

journal_title：Journal of chemical ecology

authors： Keeling CI,Ngo HT,Benusic KD,Slessor KN

更新日期：2001-03-01 00:00:00

abstract：:The effects of coumarin on the length, diameter, and branching density of different root types in maize seedlings (Zea mays L. cv. Cecilia) were investigated. The maize root system represents a useful model for morphological studies, as it consists of radicle, seminal, and nodal roots whose origin and development are ...

journal_title：Journal of chemical ecology

authors： Abenavoli MR,Sorgonà A,Albano S,Cacco G

更新日期：2004-09-01 00:00:00

abstract：:The ability to cope with plant defense chemicals differs between specialist and generalist species. In this study, we examined the effects of the concentration of the two main iridoid glycosides (IGs) in Plantago lanceolata, aucubin and catalpol, on the performance of a specialist and two generalist herbivores and the...

journal_title：Journal of chemical ecology

authors： Reudler JH,Biere A,Harvey JA,van Nouhuys S

更新日期：2011-07-01 00:00:00

abstract：:Several experiments have been conducted at the University of Illinois, Urbana, Illinois, to determine the role of allelopathic (autotoxicity) effects of alfalfa (Medicago sativa L.) on the establishment of alfalfa. By means of correcting any soil fertility differences and protecting the alfalfa seedlings from fungal a...

journal_title：Journal of chemical ecology

authors： Miller DA

更新日期：1983-08-01 00:00:00

abstract：:The suitability of the Bradford protein assay for measuring plant protein was evaluated and a standard method developed. The assay involves extraction of dried, fresh, or frozen plant material in 0.1 NaOH for 30 min. Replicate 100-μl aliquots of centrifuged supernatant are assayed with 5 ml Bio-Rad Bradford dye reagen...

journal_title：Journal of chemical ecology

authors： Jones CG,Daniel Hare J,Compton SJ

更新日期：1989-03-01 00:00:00

abstract：:Carrion beetles of the subfamily Nicrophorinae search and bury a carcass that they utilize for reproduction. After burial, the carcass is coated with oral secretions that delay its decomposition. Previously, oral secretions of Nicrophorus marginatus were found to show antimicrobial activity, whereas secretion of N. ca...

journal_title：Journal of chemical ecology

authors： Jacques BJ,Akahane S,Abe M,Middleton W,Hoback WW,Shaffer JJ

更新日期：2009-08-01 00:00:00

abstract：:In field experiments in the Okanagan Valley, British Columbia, the pheromone blend of (11Z)-tetradecen-1-ol acetate (Z11-14:OAc), (11E)-tetradecen-1-ol acetate (E 11-14:OAc), (9Z)-tetradecen-1-ol acetate (Z9-14:OAc) and dodecan-1-ol acetate (12: OAc) at a 100∶64∶2∶1 ratio (western FTLR blend) attracted significantly m...

journal_title：Journal of chemical ecology

authors： Deland JP,Gries R,Gries G,Judd GJ,Roitberg BD

更新日期：1993-12-01 00:00:00

abstract：:Adults and larvae of the thrips Callococcithrips fuscipennis (Moulton) (Thysanoptera: Tubulifera: Phlaeothripidae) live in the sticky wax masses of adult females of the felt scale insect Callococcus acaciae (Maskell) (Sternorrhyncha: Coccoidea: Eriococcidae). The scale is sessile and feeds on Kunzea shrubs (Myrtales: ...

journal_title：Journal of chemical ecology

authors： Tschuch G,Lindemann P,Moritz G

更新日期：2008-06-01 00:00:00

abstract：:Defensive mutualism is widely accepted as providing the best framework for understanding how seed-transmitted, alkaloid producing fungal endophytes of grasses are maintained in many host populations. Here, we first briefly review current knowledge of bioactive alkaloids produced by systemic grass-endophytes. New findi...

journal_title：Journal of chemical ecology

authors： Saikkonen K,Gundel PE,Helander M

更新日期：2013-07-01 00:00:00

abstract：:The redbay ambrosia beetle, Xyleborus glabratus Eichhoff, is an exotic wood-boring insect that vectors the mycopathogen responsible for laurel wilt, a lethal vascular disease of trees in the Lauraceae. High mortality has occurred in native Persea species in the southeastern U.S., and the vector-pathogen complex poses ...

journal_title：Journal of chemical ecology

authors： Kendra PE,Montgomery WS,Niogret J,Peña JE,Capinera JL,Brar G,Epsky ND,Heath RR

更新日期：2011-09-01 00:00:00

abstract：:Selected combinations of (Z)-5-decenyl, (Z)-7-dodecenyl, and (Z)-9-tetradecenyl acetates, the pheromone components of the turnip mothAgrotis Segetum were tested for field attractancy at six, two, and three sites in Europe, Asia, and Africa, respectively. At all of the sites in Eurasia and in northern Africa the ternar...

journal_title：Journal of chemical ecology

authors： Tòth M,Löfstedt C,Blair BW,Cabello T,Farag AI,Hansson BS,Kovalev BG,Maini S,Nesterov EA,Pajor I,Sazonov AP,Shamshev IV,Subchev M,Szöcs G

更新日期：1992-08-01 00:00:00

abstract：:Phytotoxicity-directed extraction and fractionation of the aerial parts of Mikania micrantha H.B.K. led to the isolation and identification of three sesquiterpenoids: dihydromikanolide, deoxymikanolide, and 2,3-epoxy-1-hydroxy-4,9-germacradiene-12,8:15,6-diolide. These sesquiterpenoids inhibited both germination and s...

journal_title：Journal of chemical ecology

authors： Shao H,Peng S,Wei X,Zhang D,Zhang C

更新日期：2005-07-01 00:00:00

abstract：:Olfactory responses of 72- to 96-hr-old, 24-hr starved adult male, female, or mixed-sex groups of the red flour beetle,Tribolium castaneum (Herbst), to volatiles from wheat and millet kernels, certain milled fractions, and solvent extracts were recorded by using a lightsensitive apparatus. Wheat-germ volatiles from in...

journal_title：Journal of chemical ecology

authors： Seifelnasr YE,Hopkins TL,Mills RB

更新日期：1982-12-01 00:00:00

abstract：:The major component of the rectal glandular extract and volatile emission of maleBactrocera cacuminatus is racemic 1,7-dioxaspiro[5.5]undecane. l-Hydroxy-5-nonanone as its open chain form, together with 6-n-butyl-3,4-dihydro-2H-pyran are minor components. 1,7-Dioxaspiro[5.5]undecan-4-ol is present at a low level and i...

journal_title：Journal of chemical ecology

authors： Krohn S,Fletcher MT,Kitching W,Drew RA,Moore CJ,Francke W

更新日期：1991-02-01 00:00:00

abstract：:Boron (B) deficiency is a common micronutrient deficiency that has been reported to affect the phenolic metabolism of plants. Thus, it may play a role in defense against herbivorous animals. However, the role of B in a plant's resistance to herbivores has not received any particular attention from researchers. In this...

journal_title：Journal of chemical ecology

authors： Ruuhola T,Leppänen T,Julkunen-Tiitto R,Rantala MJ,Lehto T

更新日期：2011-05-01 00:00:00

abstract：:The bitter and related constituents have been isolated fromVernonia amygdalina (Compositae), a plant ingested by wild chimpanzees possibly suffering from parasite-related diseases in the Mahale Mountains National Park, Tanzania. Isolated from the plant were four known sesquiterpene lactones, seven new steroid glucosid...

journal_title：Journal of chemical ecology

authors： Ohigashi H,Huffman MA,Izutsu D,Koshimizu K,Kawanaka M,Sugiyama H,Kirby GC,Warhurst DC,Allen D,Wright CW,David Phillipson J,Timon-David P,Delmas F,Elias R,Balansard G

更新日期：1994-03-01 00:00:00

abstract：:Mammalian scent marking is often associated with territorial defense. However, males and females may demonstrate different activity patterns and play different roles. Female mammals nurture the young during lactation, while males purportedly perform other tasks more frequently, such as territorial maintenance and defe...

journal_title：Journal of chemical ecology

authors： Rosell F,Thomsen LR

更新日期：2006-06-01 00:00:00

abstract：:The biological activity of aqueous extracts of velvetleaf (Abutilon theophrasti Medik.) seed coats and their flavonoid components against three plant species and five soil fungi was investigated. Aqueous extracts slightly inhibited germination and significantly inhibited radicle growth of all plant species tested. Fun...

journal_title：Journal of chemical ecology

authors： Paszkowski WL,Kremer RJ

更新日期：1988-07-01 00:00:00

abstract：:Trapping experiments were carried out near Winnipeg, Canada, in the spring of 1987 and 1988 to test attraction of crucifer-feeding flea beetles to volatile glucosinolate (GS) hydrolysis products released from glass vials. Nine isothiocyanates (IC) or mustard oils and three nitriles (CN) were tested. The pattern of att...

journal_title：Journal of chemical ecology

authors： Pivnick KA,Lamb RJ,Reed D

更新日期：1992-06-01 00:00:00

abstract：:In the laboratory, ovipositor probing in mated femaleOlesicampe monticola was elicited by freshCephalcia lariciphila frass but not by aged frass or freshly spun larval silk. Second instar sawfly larvae andLarix needles also elicited a low level of ovipositor probing. Extracts of frass in dichloromethane, but not hexan...

journal_title：Journal of chemical ecology

authors： Longhurst C,Baker R

更新日期：1981-01-01 00:00:00

abstract：:Quantities of attractive (exo-brevicomin and frontalin) and inhibitory (trans-verbenol, verbenone, and ipsdienol) pheromones were monitored in both sexes ofDendroctonus brevicomis during their colonization of a ponderosa pine. Verbenone was found in males in the greatest amounts at the time of landing, and it declined...

journal_title：Journal of chemical ecology

authors： Byers JA,Wood DL,Craig J,Hendry LB

更新日期：1984-06-01 00:00:00

abstract：:Populations ofAedes sierrensis (Ludlow) completed development in tannic acid solutions over a wide concentration range (i.e., 0-1.0 g/liter) in artificial microcosms exposed to field conditions. The most notable effects of high tannic acid concentration were to slow larval developmental rates and to reduce numbers of ...

journal_title：Journal of chemical ecology

authors： Mercer DR

更新日期：1993-06-01 00:00:00

abstract：:The structure elucidation of sex pheromones of Lepidoptera by a solid-sample injection technique in conjunction with capillary gas chromatography is described. The applicability of this method in GC and GC-MS modes was demonstrated by reanalyzing the sex attractants of females ofOstrinia nubilalis andBombyx mori. The ...

journal_title：Journal of chemical ecology

authors： Attygalle AB,Herrig M,Vostrowsky O,Bestmann HJ

更新日期：1987-05-01 00:00:00